Vaporizer for a combustion system



FIG. 1 is a perspective view of a vaporizer for a combustion system showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a vaporizer for a combustion system, as shown. 